Communication skills of medical students during the OSCE: Gender-specific differences in a longitudinal trend study

Table 4 Reliability and validity analyses of self perception- and external perception dimensions

	Multiple correlation	Cronbachs Alpha	Item-total correlation	Inter-item-correlation [95%-CI]	Factor analyses
Self-perception rating
Empathy	0.705	0.848	0.834	0.690 [0.622; 0.767]	0.913
Structure	0.572	0.878	0.752		0.861
Verbal expression	0.646	0.865	0.786		0.884
Non-verbal expression	0.558	0.886	0.728		0.845
External perception rating
Empathy	0.592	0.860	0.763	0.674 [0.625; 0.719]	0.871
Structure	0.518	0.876	0.719		0.839
Verbal expression	0.604	0.854	0.776		0.879
Non-verbal expression	0.629	0.849	0.788		0.888

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